<%= form_for qna_instance, url: {action: url_instance}, remote: true do |f| %><%= f.hidden_field :id, :value => qna_instance.id %><%= f.text_field :answer, :value => qna_instance.answer %><%= f.submit 'Answer', :style => "position: relative; top: -90px; left: 80%;", :class => "btn btn-success" %><% end %>